Finding the Fourth Proportional to 5,401,357.80, 7,454,790.36 and 3,110,844.68
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Solution
The fourth proportional to 5,401,357.80, 7,454,790.36 and 3,110,844.68 is: 4,293,493.56
Step by Step Solution
- Step 1: Write the proportion equation
5,401,357.80 : 7,454,790.36 = 3,110,844.68 : x - Step 2: Convert to fraction form
5,401,357.80/7,454,790.36 = 3,110,844.68/x - Step 3: Cross multiply
5,401,357.80x = 7,454,790.36 × 3,110,844.68 - Step 4: Simplify right side
5,401,357.80x = 23,190,694,931,921.29 - Step 5: Solve for x
x = 23,190,694,931,921.29/5,401,357.80 - Step 6: Final answer
x = 4,293,493.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.